---
schema_version: "secwatch.filing_event.v1"
accession: "0001392272-24-000016"
form_type: "8-K"
ticker: "CBNA"
cik: "0001392272"
company_name: "CHAIN BRIDGE BANCORP INC"
filed_at: "2024-11-01T23:59:59+00:00"
generated_at: "2026-05-30T06:52:38.843087+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Chain Bridge Bancorp IPO overallotment partially exercised; total net proceeds $36.5M

## Summary
- Underwriters purchased 142,897 additional shares at $20.46 per share on Nov 1, 2024, generating ~$2.9M net.
- Total IPO shares sold: 1,992,897 at $22.00 offering price; net proceeds ~$36.5M after discounts and expenses.
- Proceeds used to fully repay $10.0M unsecured revolving credit line on Oct 10, 2024.
- Remaining net proceeds earmarked for organic deposit growth and potential strategic expansion.

## SEC filing metadata
- accession: 0001392272-24-000016
- form_type: 8-K
- ticker: CBNA
- cik: 0001392272
- company_name: CHAIN BRIDGE BANCORP INC
- filed_at: 2024-11-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1392272/000139227224000016/0001392272-24-000016-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1392272/000139227224000016/chnbrdg-20241101.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001392272-24-000016
- JSON: https://secwatch.observer/filing/0001392272-24-000016.json
- Plain text: https://secwatch.observer/filing/0001392272-24-000016.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.